19238040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:446

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 46425960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 90, 94, 108, 120, 135, 141, 180, 188, 216, 235, 270, 282, 360, 376, 379, 423, 470, 540, 564, 705, 758, 846, 940, 1080, 1128, 1137, 1269, 1410, 1516, 1692, 1880, 1895, 2115, 2274, 2538, 2820, 3032, 3384, 3411, 3790, 4230, 4548, 5076, 5640, 5685, 6345, 6822, 7580, 8460, 9096, 10152, 10233, 11370, 12690, 13644, 15160, 16920, 17055, 17813, 20466, 22740, 25380, 27288, 34110, 35626, 40932, 45480, 50760, 51165, 53439, 68220, 71252, 81864, 89065, 102330, 106878, 136440, 142504, 160317, 178130, 204660, 213756, 267195, 320634, 356260, 409320, 427512, 480951, 534390, 641268, 712520, 801585, 961902, 1068780, 1282536, 1603170, 1923804, 2137560, 2404755, 3206340, 3847608, 4809510, 6412680, 9619020, 19238040]

約数ペア:

[(1, 19238040), (2, 9619020), (3, 6412680), (4, 4809510), (5, 3847608), (6, 3206340), (8, 2404755), (9, 2137560), (10, 1923804), (12, 1603170), (15, 1282536), (18, 1068780), (20, 961902), (24, 801585), (27, 712520), (30, 641268), (36, 534390), (40, 480951), (45, 427512), (47, 409320), (54, 356260), (60, 320634), (72, 267195), (90, 213756), (94, 204660), (108, 178130), (120, 160317), (135, 142504), (141, 136440), (180, 106878), (188, 102330), (216, 89065), (235, 81864), (270, 71252), (282, 68220), (360, 53439), (376, 51165), (379, 50760), (423, 45480), (470, 40932), (540, 35626), (564, 34110), (705, 27288), (758, 25380), (846, 22740), (940, 20466), (1080, 17813), (1128, 17055), (1137, 16920), (1269, 15160), (1410, 13644), (1516, 12690), (1692, 11370), (1880, 10233), (1895, 10152), (2115, 9096), (2274, 8460), (2538, 7580), (2820, 6822), (3032, 6345), (3384, 5685), (3411, 5640), (3790, 5076), (4230, 4548)]